GE is to supply its zero discharge wastewater treatment equipment for the Jingneng Zhuozhou coal-fired power plant in Zhuozhou City, 60 km south of Beijing, in Hebei Province, China. GE will provide its membrane and brine concentration technologies followed by crystallization, a process that produces pure sodium chloride.
The zero liquid discharge (ZLD) technology will be used to treat flue gas desulphurisation wastewater to meet Chinese emissions and discharge regulations for new thermal power plants and enable the reuse of 99 % of the FGD blowdown wastewater at the plant. The wastewater will be recycled and used as makeup water.
China is facing long-term water scarcity and environmental challenges, resultingin the government’s recent tightening up of emissions and discharge limitations. All new thermal power plants are required to achieve ZLD of FGD wastewater as a condition of environmental impact assessment approvals.
The project is part of a plan for Hebei Zhuozhou Jingyuan Thermal Power Plant Co to relocate high-pollution plants out of Beijing’s urban areas. The new Jingneng Zhuozhou plant will replace the existing Shijingshan plant, which was decommissioned in March 2015. The new plant, which is expected to enter commercial operation in May 2017, will be a demonstration ZLD power plant for the country.
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